"It's important that people know about their rights during holidays and it is also important that people know where these benefits come from," she said.

"Over the past 10 years, airline prices between EU nations have been halved, thanks to the EU opening up competition in air travel," she said.

The MEP, on the campaign trail for the Euro elections, said: "When you tell people about the simple ways in which the EU is working to make their lives better, they become much more engaged."

Meanwhile, former Welsh Secretary Ron Davies, campaigning for a European seat for Forward Wales, pledged to create a European Rural Forum for Wales, if elected. "A new virtual forum using the latest technology could revolutionise communications with Europe in remote parts of Wales," he said.

Welsh Liberal Democrats launched their campaign against "unjust business rates." Economic spokesperson Jenny Randerson AM said the party would offer an alternative.